1361322050140 has 144 divisors (see below), whose sum is σ = 3234072653280. Its totient is φ = 480500966400.

The previous prime is 1361322050131. The next prime is 1361322050149. The reversal of 1361322050140 is 410502231631.

It is an interprime number because it is at equal distance from previous prime (1361322050131) and next prime (1361322050149).

It is a junction number, because it is equal to n+sod(n) for n = 1361322050099 and 1361322050108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361322050149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9831267 + ... + 9968773.

It is an arithmetic number, because the mean of its divisors is an integer number (22458837870).

Almost surely, 2^{1361322050140} is an apocalyptic number.

1361322050140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361322050140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617036326640).

1361322050140 is an abundant number, since it is smaller than the sum of its proper divisors (1872750603140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361322050140 is a wasteful number, since it uses less digits than its factorization.

1361322050140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137672 (or 137657 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1361322050140 its reverse (410502231631), we get a palindrome (1771824281771).

The spelling of 1361322050140 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-two million, fifty thousand, one hundred forty".